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63308894 = 21121311997
BaseRepresentation
bin1111000110000…
…0010001011110
311102010102110212
43301200101132
5112201341034
610140532422
71366055015
oct361402136
9142112425
1063308894
1132810a00
1219251112
13101680ac
14859da7c
1558582ce
hex3c6045e

63308894 has 24 divisors (see below), whose sum is σ = 105230664. Its totient is φ = 28542800.

The previous prime is 63308873. The next prime is 63308897. The reversal of 63308894 is 49880336.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63308897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30704 + ... + 32700.

It is an arithmetic number, because the mean of its divisors is an integer number (4384611).

Almost surely, 263308894 is an apocalyptic number.

63308894 is a deficient number, since it is larger than the sum of its proper divisors (41921770).

63308894 is a wasteful number, since it uses less digits than its factorization.

63308894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 63308894 is about 7956.6886328422. The cubic root of 63308894 is about 398.5549819263.

The spelling of 63308894 in words is "sixty-three million, three hundred eight thousand, eight hundred ninety-four".

Divisors: 1 2 11 22 121 131 242 262 1441 1997 2882 3994 15851 21967 31702 43934 241637 261607 483274 523214 2877677 5755354 31654447 63308894